when you mount the sticky pads to glass, remember don't touch the adhesive surface, otherwise the grease will weaken stickiness.
recommend procedure:
1, clean the GPS mount surface
2, remove the red film on sticky pad, sticker the pad to GPS mount
3, insert 906 camera into mount, hold the mount to windshield and power the camera, find a optimal mount location on windshield
4, clean the windshield area, make sure there is no water, no grease,
5, remove the white film on sticky pad
6, hold the mount close to windshield, confirm the mounting location again
7, stick the mount to windshield, compress top side first then the bottom side, to extrude out air between pad and windshield
8, check camera view range again. compress the full mount to windshield to make sure it is tight there.